From Wikipedia, the free encyclopedia
Noggin was discovered in the laboratory of Richard M. Harland at the University of California, Berkeley because of its ability to induce secondary axis formation in frog embryos. Noggin is a polypeptide that inhibits TGF-β signal transduction by binding to TGF-β family ligands and preventing them from binding to their corresponding receptors. Noggin plays a key role in neural induction by inhibiting BMP4, along with other TGF-β signaling inhibitors such as chordin and follistatin. Mouse knockout experiments have demonstrated that noggin also plays a crucial role in bone development, joint formation, and neural tube fusion.
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Cell signaling: TGF beta signaling pathway |
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| TGF beta superfamily of ligands |
TGF beta family ( TGF-β1, TGF-β2, TGF-β3)
Bone morphogenetic proteins ( BMP2, BMP3, BMP4, BMP5, BMP6, BMP7, BMP8a, BMP8b, BMP10 , BMP15)
Growth differentiation factors ( GDF1, GDF2, GDF3, GDF5, GDF6, GDF7, Myostatin/GDF8, GDF9, GDF10, GDF11, GDF15)
Other ( Activin A and B/ Inhibin A and B, Anti-müllerian hormone, Nodal)
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| TGF beta receptors |
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| Transducers/SMAD |
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| Ligand Inhibitors |
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| Coreceptors |
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| Other |
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